Simultaneous-Fault Diagnosis of Gas Turbine Generator Systems Using a Pairwise-Coupled Probabilistic Classifier

Table 5

Accuracies of various classifiers under the best combination of polynomial kernel of KPCA and mother wavelet of Db4/L4.

Mother wavelet	Level L	No. of features reduced	KPCA with polynomial kernel and d′ = 4
			Single-faults			Simultaneous-faults			Overall faults
			SVM; 𝐹me	PCPNN; 𝐹me	PCRVM; 𝐹me	SVM; 𝐹me	PCPNN; 𝐹me	PCRVM; 𝐹me	SVM; 𝐹me	PCPNN; 𝐹me	PCRVM; 𝐹me
Db4	4	77	0.9594	0.9298	0.9336	0.4546	0.7526	0.8364	0.7725	0.8824	0.9129